Bigleaf aster seedlings free#

Low-growing selections include lavender-blooming 'Professor Anton Kippenburg' and white-flowered 'Niobe'. Some selections include 'Fellowship', which bears deep pink 3-inch blooms and 'Bonningdale White', which bears white flowers on 48-inch tall plants. New York asters tend to be more susceptible to powdery mildew and wilt and are not as good for cutting. The flower heads are usually just 1 to 1½ inches wide and the leaves are much narrower than those of New England aster. novi-belgii) is another North American species offering many selections ranging from 12 to 48 inches high by 24 to 48 inches tall.

Cultivars include 'Alma Potschke', which grows to 36 inches high with salmon rose flowers 'Hella Lacy', which grows to 42 inches with royal purple flowers and 'Purple Dome', a compact, 18-inch plant with deep purple flowers. Flowers have 1½- to 2- inch wide heads and are good as cut flowers. novae-angliae) is a much-hybridized North American species that grows 18 to 48 inches high and spreads 24 to 48 inches. Plants form mounds of large, basal leaves. macrophylla) is a woodland wildflower that prefers partial shade. 'Monch' and 'Wunder von Stafa' are the most popular cultivars and both have lavender-blue flowers. Growing 24 to 36 inches tall, these asters are very resistant to powdery mildew. Flowers are fragrant and make excellent cut flowers. x frikartii) is popular because of its long bloom period-from midsummer into fall. 'Prince' is a popular cultivar with pinkish white flowers. Clouds of tiny, starry flowers cover the plants in fall. Plants reach about 30 inches and are often wider than they are tall. The foliage has an attractive reddish tinge throughout the summer. laterifolius) is another North American native with good disease resistance. 'Blue Star' is sky blue 'Pink Haze' and 'Esther' are pink. They produce masses of tiny flowers in the fall. Plants range in height from 12 to 36 inches and have small, needle-like leaves. ericoides) is a North American species that is also quite disease resistant. Plants produce clouds of 1-inch flowers from midsummer through fall. Purplish-black stems grow in a distinct zig-zag pattern. divaricatus) is a native North American species that grows about 18 inches tall by 18 inches wide.

Here are a few tried-and-true varieties to look for. You can find anything from diminutive asters for borders to tall, exuberant bloomers. There are so many options if you'd like to grow asters. The sharp texture dissuades these slimy pests from getting too close to your plants. Pick off any you happen to spot, and consider surrounding the plant with diatomaceous earth or eggshells. Slugs and snails: If you have a damp location, slugs and snails might make a meal of your asters. They can usually be dislodged with a spray of water from the hose, or apply insecticidal soap to get rid of them. Look for them along stems and on the undersides of leaves. If you find that your plants have powdery mildew a lot, look for mildew-resistant varieties, such as 'Blue Lake' or 'Winston Churchill.'Īphids: These tiny, sap-sucking insects can weaken the plant. And if powdery mildew does show up, treat it with a commercial or homemade spray as soon as possible. Avoid watering the leaves water only at ground level. The easiest way to avoid powdery mildew is to make sure you're spacing your aster plants properly so they get good air flow. In really serious cases of it, the plant might die completely. Eventually, the leaves will yellow, shrivel, and die, which weakens the plant and can prevent it from blooming. This fungal disease starts out as a white, powdery, dusty-looking coating on the leaves. Powdery Mildew: This is far and away the most common issue gardeners have when growing asters. However, there are a couple of common issues to watch out for.

Bigleaf aster seedlings free#

Asters are generally pretty easy to care for and free of pest and disease issues.